could double-tongue
Verbe régulier : double-tongue - double-tongued- double-tongued
Traduction française : faire des doubles coups de langue (sur un instrument à vent) 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could double-tongue
you could double-tongue
he could double-tongue
we could double-tongue
you could double-tongue
they could double-tongue 	I could be double-tonguing
you could be double-tonguing
he could be double-tonguing
we could be double-tonguing
you could be double-tonguing
they could be double-tonguing	I could have double-tongued
you could have double-tongued
he could have double-tongued
we could have double-tongued
you could have double-tongued
they could have double-tongued	I could have been double-tonguing
you could have been double-tonguing
he could have been double-tonguing
we could have been double-tonguing
you could have been double-tonguing
they could have been double-tonguing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't double-tongue
you couldn't double-tongue
he couldn't double-tongue
we couldn't double-tongue
you couldn't double-tongue
they couldn't double-tongue 	I couldn't be double-tonguing
you couldn't be double-tonguing
he couldn't be double-tonguing
we couldn't be double-tonguing
you couldn't be double-tonguing
they couldn't be double-tonguing	I couldn't have double-tongued
you couldn't have double-tongued
he couldn't have double-tongued
we couldn't have double-tongued
you couldn't have double-tongued
they couldn't have double-tongued	I couldn't have been double-tonguing
you couldn't have been double-tonguing
he couldn't have been double-tonguing
we couldn't have been double-tonguing
you couldn't have been double-tonguing
they couldn't have been double-tonguing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I double-tongue?
could you double-tongue?
could he double-tongue?
could we double-tongue?
could you double-tongue?
could they double-tongue? 	could I be double-tonguing?
could you be double-tonguing?
could he be double-tonguing?
could we be double-tonguing?
could you be double-tonguing?
could they be double-tonguing? 	could I have double-tongued?
could you have double-tongued?
could he have double-tongued?
could we have double-tongued?
could you have double-tongued?
could they have double-tongued? 	could I have been double-tonguing?
could you have been double-tonguing?
could he have been double-tonguing?
could we have been double-tonguing?
could you have been double-tonguing?
could they have been double-tonguing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I double-tongue?
couldn't you double-tongue?
couldn't he double-tongue?
couldn't we double-tongue?
couldn't you double-tongue?
couldn't they double-tongue? 	couldn't I be double-tonguing?
couldn't you be double-tonguing?
couldn't he be double-tonguing?
couldn't we be double-tonguing?
couldn't you be double-tonguing?
couldn't they be double-tonguing? 	couldn't I have double-tongued?
couldn't you have double-tongued?
couldn't he have double-tongued?
couldn't we have double-tongued?
couldn't you have double-tongued?
couldn't they have double-tongued? 	couldn't I have been double-tonguing?
couldn't you have been double-tonguing?
couldn't he have been double-tonguing?
couldn't we have been double-tonguing?
couldn't you have been double-tonguing?
couldn't they have been double-tonguing?